__________________
Self Explanatory
2.
Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
-------------------------------------------------------------------------------REFERENCE QTY DESIGNATION -------------------------------------------------------------------------------
No specific blanking caps
No specific blanking plugs
No specific circuit breaker(s) safety clip(s)
No specific platform 2 m (6 ft. 7 in.)
B. Referenced Information
-------------------------------------------------------------------------------REFERENCE DESIGNATION -------------------------------------------------------------------------------
24-41-00-861-002 Energize the Aircraft Electrical Circuits from the
External Power 25-54-12-000-001 Removal of the FWD Cargo Compartment Partition FR34 52-30-00-860-001 Open the FWD or AFT Cargo-Compartment Door with the
Yellow Electric Pump 21-21-51-991-001 Fig. 401
3. Job Set-up
__________ Subtask 21-21-51-861-050
A. Energize the aircraft electrical circuits (Ref. TASK 24-41-00-861-002). Subtask 21-21-51-865-050
B. Open, safety and tag this(these) circuit breaker(s):
-------------------------------------------------------------------------------PANEL DESIGNATION IDENT. LOCATION -------------------------------------------------------------------------------FOR 15HG
122VU AIR COND/RECIRC FAN/L/CTL 2HG X20 122VU AIR COND/RECIRC FAN/L/SPLY 1HG X18
FOR 14HG 122VU AIR COND/RECIRC FAN/R/CTL 11HG W20 122VU AIR COND/RECIRC FAN/R/SPLY 3HG W18
Subtask 21-21-51-941-050
C. Safety Precautions
(1)
On the panel 30VU:
(a)
Make sure that:
-The APU BLEED pushbutton switch is in the off position (the ON legend is off) and
-the ENG 1 BLEED and the ENG 2 BLEED pushbutton switches are in the off position (the OFF legends are on).
(b)
Put a warning notice in position to tell persons not to operate these pushbutton switches.
(2)
On the HP and the LP ground connector put a warning notice in position to tell persons not to supply the ground air.
Subtask 21-21-51-010-050
D. Get Access
(1)
Open the FWD cargo-compartment door 825 (Ref. TASK 52-30-00-860-001).
(2)
Put the platform in position at the FWD cargo-compartment door 825.
(3)
Remove the access panel (Ref. TASK 25-54-12-000-001).
(a)
FOR 15HG
-131PW,
(b)
FOR 14HG
-132PW.
4. Procedure
_________
(Ref. Fig. 401/TASK 21-21-51-991-001) Subtask 21-21-51-020-051
A. Removal of the Cabin Recirculation Fan
(1)
Disconnect the electrical connector (14).
(2)
Put blanking caps on the disconnected electrical connectors.
(3)
Remove the bolt (8), the washers (9) and (11), the nut (12) and disconnect the bonding strap (10).
(4)
Remove the clamp (2) and disconnect the sleeve (1).
(5)
Remove the clamp (13).
(6)
Hold the cabin recirculation fan (15) and remove the nuts (6), the washers (5), the bolts (3) and the washers (4).
(7)
Carefully remove the cabin recirculation fan (15).
(8)
Put blanking plugs on the open ends of the cabin recirculation fan (15), the sleeve (1) and on the check valve (7).
Cabin Recirculation Fan 15HG (14HG)
Figure 401/TASK 21-21-51-991-001
1EFF : ALL 1 21-21-51 Page 404
1 1 Feb 01/98
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TASK 21-21-51-400-001
Installation of the Cabin Recirculation Fans 15HG and 14HG
WARNING : MAKE SURE THAT AIR IS NOT SUPPLIED TO THE AIR CONDITIONING SYSTEM
_______
FROM THE MAIN ENGINE, THE APU OR A GROUND SOURCE.
HOT COMPRESSED AIR CAN CAUSE INJURY TO PERSONNEL.
NOTE : The procedure is the same for the cabin recirculation fans 15HG and
____
14HG.
1. Reason for the Job
__________________
Self Explanatory
2. Job Set-up Information
______________________
A. Fixtures, Tools, Test and Support Equipment
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